Get scientific about Scientology and 10 other free things to do this week

1. Check out some jazz at Sycamore and while you’re there, buy a nice young lady some flowers. Wait, is it 2012 or 1922? (Monday)

2. Pete Hammil kicks off events at powerHouse’s new Park Slope location with a reading. Apparently their store used to be an ice cream shop he’d hide in to ditch church, so keep your head on a swivel for angry nuns. (Tuesday)